SE2150289A1 - Provision of measure indicative of impact time between image sensor and object - Google Patents

Provision of measure indicative of impact time between image sensor and object

Info

Publication number
SE2150289A1
SE2150289A1 SE2150289A SE2150289A SE2150289A1 SE 2150289 A1 SE2150289 A1 SE 2150289A1 SE 2150289 A SE2150289 A SE 2150289A SE 2150289 A SE2150289 A SE 2150289A SE 2150289 A1 SE2150289 A1 SE 2150289A1
Authority
SE
Sweden
Prior art keywords
pixel data
value
leps
pixel
image sensor
Prior art date
Application number
SE2150289A
Other languages
English (en)
Original Assignee
Anders Åström
Robert Forchheimer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anders Åström, Robert Forchheimer filed Critical Anders Åström
Priority to SE2150289A priority Critical patent/SE2150289A1/en
Priority to EP22713876.5A priority patent/EP4305596A1/fr
Priority to PCT/EP2022/055749 priority patent/WO2022189355A1/fr
Publication of SE2150289A1 publication Critical patent/SE2150289A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/254—Analysis of motion involving subtraction of images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/277—Analysis of motion involving stochastic approaches, e.g. using Kalman filters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/02—Active or adaptive cruise control system; Distance control
    • B60T2201/022—Collision avoidance systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2554/00—Input parameters relating to objects
    • B60W2554/80—Spatial relation or speed relative to objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20224—Image subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30244—Camera pose
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30248—Vehicle exterior or interior
    • G06T2207/30252—Vehicle exterior; Vicinity of vehicle
    • G06T2207/30261—Obstacle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Analysis (AREA)
SE2150289A 2021-03-12 2021-03-12 Provision of measure indicative of impact time between image sensor and object SE2150289A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE2150289A SE2150289A1 (en) 2021-03-12 2021-03-12 Provision of measure indicative of impact time between image sensor and object
EP22713876.5A EP4305596A1 (fr) 2021-03-12 2022-03-07 Fourniture d'une mesure indiquant le temps d'impact entre un capteur d'image et un objet
PCT/EP2022/055749 WO2022189355A1 (fr) 2021-03-12 2022-03-07 Fourniture d'une mesure indiquant le temps d'impact entre un capteur d'image et un objet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2150289A SE2150289A1 (en) 2021-03-12 2021-03-12 Provision of measure indicative of impact time between image sensor and object

Publications (1)

Publication Number Publication Date
SE2150289A1 true SE2150289A1 (en) 2022-09-13

Family

ID=80999204

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2150289A SE2150289A1 (en) 2021-03-12 2021-03-12 Provision of measure indicative of impact time between image sensor and object

Country Status (3)

Country Link
EP (1) EP4305596A1 (fr)
SE (1) SE2150289A1 (fr)
WO (1) WO2022189355A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559695A (en) * 1994-12-27 1996-09-24 Hughes Aircraft Company Apparatus and method for self-calibrating visual time-to-contact sensor
US20060062432A1 (en) * 2004-09-22 2006-03-23 Nissan Motor Co., Ltd. Collision time estimation apparatus for vehicles, collision time estimation method for vehicles, collision alarm apparatus for vehicles, and collision alarm method for vehicles
US20080046181A1 (en) * 2006-07-28 2008-02-21 Hiroyuki Koike Time-to-contact estimation device and method for estimating time to contact
US20120321139A1 (en) * 2011-06-14 2012-12-20 Qualcomm Incorporated Content-adaptive systems, methods and apparatus for determining optical flow
US20150035990A1 (en) * 2012-01-20 2015-02-05 Robert Forchheimer Impact time from image sensing
US20180220085A1 (en) * 2017-01-27 2018-08-02 Sick Ivp Ab Motion encoder
US20190084549A1 (en) * 2014-05-22 2019-03-21 Mobileye Vision Technologies Ltd. Systems and methods for braking a vehicle based on a detected object
WO2020014813A1 (fr) * 2018-07-16 2020-01-23 上海芯仑光电科技有限公司 Procédé destiné à calculer l'instant de collision d'un objet et d'un véhicule, dispositif de calcul et véhicule
US10600189B1 (en) * 2016-12-06 2020-03-24 Apple Inc. Optical flow techniques for event cameras

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3651419B2 (ja) * 2001-08-03 2005-05-25 日産自動車株式会社 環境認識装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559695A (en) * 1994-12-27 1996-09-24 Hughes Aircraft Company Apparatus and method for self-calibrating visual time-to-contact sensor
US20060062432A1 (en) * 2004-09-22 2006-03-23 Nissan Motor Co., Ltd. Collision time estimation apparatus for vehicles, collision time estimation method for vehicles, collision alarm apparatus for vehicles, and collision alarm method for vehicles
US20080046181A1 (en) * 2006-07-28 2008-02-21 Hiroyuki Koike Time-to-contact estimation device and method for estimating time to contact
US20120321139A1 (en) * 2011-06-14 2012-12-20 Qualcomm Incorporated Content-adaptive systems, methods and apparatus for determining optical flow
US20150035990A1 (en) * 2012-01-20 2015-02-05 Robert Forchheimer Impact time from image sensing
US20190084549A1 (en) * 2014-05-22 2019-03-21 Mobileye Vision Technologies Ltd. Systems and methods for braking a vehicle based on a detected object
US10600189B1 (en) * 2016-12-06 2020-03-24 Apple Inc. Optical flow techniques for event cameras
US20180220085A1 (en) * 2017-01-27 2018-08-02 Sick Ivp Ab Motion encoder
WO2020014813A1 (fr) * 2018-07-16 2020-01-23 上海芯仑光电科技有限公司 Procédé destiné à calculer l'instant de collision d'un objet et d'un véhicule, dispositif de calcul et véhicule

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Åström Anders; Forchheimer Robert, 'A high speed 2D time-to-impact algorithm targeted for smart image sensors', Proceedings of SPIE, (2014-03-04),IEEE, US, doi:10.1117/12.2037738, ISBN 978-1-62841-730-2 ; ISBN 1-62841-730-7 *

Also Published As

Publication number Publication date
WO2022189355A1 (fr) 2022-09-15
EP4305596A1 (fr) 2024-01-17

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